Fertility Planning
Fertile Period Calculator
Calculate your most fertile days to maximize your chances of conception. Track your ovulation window and plan accordingly.
Calculate Your Fertile Days
Enter your cycle details
Count from Day 1 of one period to Day 1 of the next
How it works:
- • Ovulation occurs about 14 days before your next period
- • You're most fertile 2-3 days before and on ovulation day
- • Sperm can survive up to 5 days in the reproductive tract
Ready to Calculate?
Enter your last period date and cycle length to find your most fertile days.
Results will appear here
Understanding Your Fertility Cycle
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Menstrual Phase
Days 1-5: Your period. The uterus sheds its lining.
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Ovulation Phase
Days 12-16: An egg is released. Peak fertility window.
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Luteal Phase
Days 17-28: Body prepares for potential pregnancy.